ATI RN
ATI Pharmacology Proctored Exam 2024
1. What classification of drug is Penicillin?
- A. Antiarrhythmic
- B. Anticonvulsant
- C. Antibacterial
- D. Mood stabilizer
Correct answer: C
Rationale: Penicillin is classified as an antibacterial drug, specifically used to treat bacterial infections. It works by inhibiting the growth of bacteria, making it an effective treatment for various bacterial infections. Choices A, B, and D are incorrect as Penicillin does not belong to these drug classifications. Penicillin does not have any direct effect on heart rhythm (antiarrhythmic), does not treat seizures (anticonvulsant), and is not used to stabilize mood (mood stabilizer).
2. A healthcare provider is reviewing a client's medication history and notes a new prescription for Enalapril. The healthcare provider should monitor the client for which of the following as an adverse effect of this medication?
- A. Bradycardia
- B. Hyperkalemia
- C. Hypoglycemia
- D. Hypocalcemia
Correct answer: B
Rationale: Enalapril, an ACE inhibitor, can cause hyperkalemia as an adverse effect due to decreased aldosterone levels, leading to potassium retention. Monitoring potassium levels is essential to prevent complications associated with hyperkalemia. Bradycardia (Choice A) is not a common adverse effect of Enalapril. Enalapril does not typically affect glucose levels, so hypoglycemia (Choice C) is not a common concern with this medication. Enalapril does not directly impact calcium levels, so hypocalcemia (Choice D) is not a typical adverse effect.
3. Which of the following is the primary site of activity for the drug Warfarin?
- A. Kidney
- B. Liver
- C. Blood
- D. Heart
Correct answer: B
Rationale: Warfarin primarily affects the liver where it inhibits the synthesis of clotting factors.
4. When starting therapy with Lisinopril, a client should be instructed to monitor for which of the following adverse effects?
- A. Tinnitus
- B. Diarrhea
- C. Cough
- D. Weight gain
Correct answer: C
Rationale: When starting therapy with Lisinopril, a client should be instructed to monitor for a persistent dry cough as an adverse effect. Lisinopril, an ACE inhibitor, commonly causes this cough as an adverse effect. It is important for the client to monitor for this symptom and notify their healthcare provider if it occurs. Choices A, B, and D are incorrect because tinnitus, diarrhea, and weight gain are not commonly associated adverse effects of Lisinopril.
5. What is the antidote for Heparin?
- A. Protamine sulfate
- B. Vitamin K
- C. Naloxone
- D. Toradol
Correct answer: A
Rationale: The correct answer is A: Protamine sulfate. Heparin is an anticoagulant that prevents blood clotting. Protamine sulfate is the antidote for Heparin as it binds to heparin, neutralizing its anticoagulant effects. Vitamin K is not the antidote for Heparin; it is used to reverse the effects of warfarin, another anticoagulant. Naloxone is an opioid antagonist for opioids, and Toradol is a nonsteroidal anti-inflammatory drug (NSAID) for pain relief. Therefore, the correct antidote for Heparin is Protamine sulfate.
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